/* すっきり大人の業務系。ほかのCSSのあとに読み込み、色・文字・角丸・影をそろえる */
:root {
  --ink: #1b2333;
  --muted: #5b6577;
  --line: #e3e7ee;
  --bg: #ffffff;
  --wash: #f6f7f9;
  --cream: #f6f7f9;
  --paper: #ffffff;
  --navy: #1f3a5f;
  --navy-2: #2c4f7c;
  --navy-wash: #eef2f8;
  --orange: #1f3a5f;
  --orange-2: #2c4f7c;
  --accent: #c8792f;
  --ok: #2f7d62;
  --danger: #b4483a;
  --radius-card: 8px;
  --shadow: none;
  --display: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  --serif: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  --sans: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
}

html,
body {
  background: var(--bg) !important;
  color: var(--ink);
  font-family: var(--sans) !important;
  letter-spacing: 0.01em;
}

body *,
body *::before,
body *::after {
  font-family: inherit;
  letter-spacing: inherit;
  text-shadow: none !important;
}

h1, h2, h3, h4 {
  font-family: var(--sans) !important;
  color: var(--ink);
  letter-spacing: 0.01em !important;
  font-weight: 700 !important;
}

a { color: var(--navy); }

pre, code, kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace !important;
}

/* 飾りを外す */
.brand-promo,
.header-progress{
  display: none !important;
}

/* ヘッダー */
.site-header,
body.is-home .site-header {
  background: #fff !important;
  border-bottom: 1px solid var(--line) !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
}

.site-nav a {
  background: transparent !important;
  border: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  color: var(--muted) !important;
  font-weight: 500 !important;
  font-size: 14px !important;
  padding: 10px 2px !important;
  margin-right: 22px;
  border-bottom: 2px solid transparent !important;
}

.site-nav a:hover { color: var(--ink) !important; }

.site-nav a.active {
  color: var(--navy) !important;
  border-bottom-color: var(--navy) !important;
  background: transparent !important;
}

.member-chip,
.nav-toggle{
  background: #fff !important;
  color: var(--ink) !important;
  border: 1px solid var(--line) !important;
  border-radius: 6px !important;
  box-shadow: none !important;
  font-weight: 500 !important;
}

.header-fav,
.header-fav.is-on {
  background: #fff !important;
  color: var(--ink) !important;
  border: 1px solid var(--line) !important;
  border-radius: 6px !important;
  box-shadow: none !important;
  font-size: 14px !important;
  font-weight: 500 !important;
  min-height: 40px !important;
}

.header-fav .fav-star,
.header-fav.is-on .fav-star { color: var(--accent) !important; }

/* ボタン */
.btn-orange,
.btn-dark,
.copy,
button.btn-orange {
  border-radius: 6px !important;
  box-shadow: none !important;
  transform: none !important;
  font-weight: 700 !important;
  letter-spacing: 0.02em !important;
}

.btn-orange {
  background: var(--navy) !important;
  border: 1px solid var(--navy) !important;
  color: #fff !important;
}

.btn-orange:hover { background: var(--navy-2) !important; }

.btn-dark {
  background: #fff !important;
  border: 1px solid #c9d0db !important;
  color: var(--ink) !important;
}

.btn-dark:hover { border-color: var(--navy) !important; }

/* カード類：細い線・小さな角丸・影なし */
.class-card,
.lesson-row,
.qa,
.op,
.fav-item,
.guide-sheet,
.route-card{
  border: 1px solid var(--line) !important;
  border-radius: 8px !important;
  box-shadow: none !important;
  background: #fff !important;
  transform: none !important;
}

.class-card:hover,
.lesson-row:hover{
  border-color: #b9c3d3 !important;
}

.class-card .cover {
  background: var(--wash) !important;
  border-radius: 0 !important;
  border-bottom: 1px solid var(--line);
}

.class-card h3 { font-size: 16px !important; }

.st-chip{
  border-radius: 4px !important;
  box-shadow: none !important;
  font-weight: 500 !important;
  font-size: 12px !important;
  letter-spacing: 0.02em !important;
}

.st-chip.is-done { background: #e8f3ee !important; color: var(--ok) !important; }
.st-chip.is-now { background: var(--navy-wash) !important; color: var(--navy) !important; }
.st-chip.is-todo,
.st-chip.is-extra { background: var(--wash) !important; color: var(--muted) !important; }

/* 進度バー */
.meter{
  background: #e9edf3 !important;
  border-radius: 2px !important;
  height: 4px !important;
  box-shadow: none !important;
}

.meter > span,
.meter > i{
  background: var(--navy) !important;
  border-radius: 2px !important;
}

/* 見出しまわり */
.kicker,
.lesson-body .kicker {
  color: var(--accent) !important;
  background: none !important;
  padding: 0 !important;
  border: 0 !important;
  font-size: 12px !important;
  font-weight: 700 !important;
  letter-spacing: 0.08em !important;
}

.page h1,
.lesson-body h1 {
  font-size: clamp(24px, 3vw, 32px) !important;
  line-height: 1.4 !important;
}

.section-head h2 {
  font-size: 20px !important;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  width: 100%;
}

.home-sec-lead,
.lede { color: var(--muted) !important; }

/* レッスン本文 */
.lesson-body {
  font-size: 16px;
  line-height: 1.9;
}

.callout {
  border: 0 !important;
  border-left: 3px solid var(--navy) !important;
  border-radius: 0 6px 6px 0 !important;
  background: var(--navy-wash) !important;
  color: var(--ink) !important;
  box-shadow: none !important;
}

.callout.warn { border-left-color: var(--accent) !important; background: #fbf4ec !important; }
.callout.ok { border-left-color: var(--ok) !important; background: #eef6f2 !important; }

.op .num {
  background: var(--navy) !important;
  color: #fff !important;
  border-radius: 4px !important;
  box-shadow: none !important;
}

.code-wrap {
  border: 1px solid #2a3446 !important;
  border-radius: 8px !important;
  background: #182030 !important;
  box-shadow: none !important;
}

.code-wrap pre {
  background: transparent !important;
  color: #e6ebf3 !important;
}

.code-wrap .copy {
  background: #fff !important;
  color: var(--ink) !important;
  border: 0 !important;
}

/* ホーム */
.home-hero {
  background: var(--wash);
  border-bottom: 1px solid var(--line);
  padding: 56px 0 48px;
}

.home-hero-in {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

.home-hero .member-hello {
  color: var(--muted) !important;
  font-size: 14px !important;
  margin: 0 0 8px;
}

.home-hero h1 {
  font-size: clamp(28px, 4vw, 40px) !important;
  margin: 0 0 12px;
  line-height: 1.3 !important;
}

.home-hero-lead {
  color: var(--muted);
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.8;
}

.home-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.home-hero-next {
  display: block;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  color: var(--ink) !important;
  text-decoration: none;
}

.home-hero-next:hover { border-color: #b9c3d3; }

.home-hero-next small {
  display: block;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.home-hero-next strong {
  display: block;
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 18px;
}

.home-hero-meter {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 8px;
}

.home-catalog { margin-top: 48px; }

/* フッター・チャット */
.site-footer {
  background: #141b28 !important;
  border-radius: 0 !important;
}

.chat-fab {
  background: var(--navy) !important;
  border-radius: 6px !important;
  box-shadow: 0 2px 8px rgba(20, 30, 50, 0.18) !important;
}

@media (max-width: 760px) {
  .home-hero { padding: 32px 0 28px; }

  .home-hero-in {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .home-hero-actions a { flex: 1 1 auto; text-align: center; }
}

@media (max-width: 900px) {
  .site-nav a {
    margin-right: 0;
    border-bottom: 1px solid var(--line) !important;
    padding: 14px 4px !important;
  }

  .site-nav a.active { border-bottom-color: var(--line) !important; }
}

/* レッスン画面 */
.layout {
  grid-template-columns: minmax(0, 260px) minmax(0, 1fr) !important;
  gap: 32px !important;
}

.sidebar,
.lesson-body,
.card{
  border-radius: 8px !important;
  box-shadow: none !important;
}

.sidebar a {
  border-radius: 4px !important;
  color: var(--ink) !important;
}

.sidebar a.active {
  background: var(--navy-wash) !important;
  box-shadow: inset 2px 0 0 var(--navy) !important;
}

.crumbs,
.crumbs a { color: var(--muted) !important; }
.crumbs a:hover { color: var(--navy) !important; }

.pic,
.pic-easy,
.pic-compact,
.pic-compare,
.lesson-body > .pic-hero {
  background: var(--wash) !important;
  border: 1px solid var(--line) !important;
  border-radius: 8px !important;
  box-shadow: none !important;
}

.pic-badge {
  background: #fff !important;
  color: var(--muted) !important;
  border: 1px solid var(--line) !important;
  border-radius: 4px !important;
  box-shadow: none !important;
}

.paste-hint {
  color: var(--muted) !important;
  font-weight: 500 !important;
}

.mark-read {
  background: var(--wash) !important;
  border: 1px solid var(--line) !important;
  border-radius: 8px !important;
  box-shadow: none !important;
}

.mark-read .primary,
.pager .primary {
  background: var(--navy) !important;
  color: #fff !important;
  border: 0 !important;
  border-radius: 6px !important;
  box-shadow: none !important;
}

.mark-read.is-inked .primary { background: var(--ok) !important; }

.pager {
  background: transparent !important;
  box-shadow: none !important;
}

/* フッターの文字を読めるように */
.site-footer,
.site-footer p,
.footer-note { color: #b8c2d3 !important; }

.site-footer a { color: #fff !important; }

.footer-brand img {
  background: #fff;
  border-radius: 6px;
  padding: 6px 10px;
}

/* ヘッダーとナビを本文と同じ幅にそろえる */
.site-nav {
  max-width: var(--max) !important;
  margin: 0 auto !important;
  padding: 0 24px !important;
}

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr !important; }
  .site-nav { padding: 8px 16px !important; }
}

/* 進度バーはすべて濃紺の1色に */
[class*="meter"]:not(.home-hero-meter):not(.home-hero-next) {
  background-color: #e9edf3 !important;
  background-image: none !important;
  box-shadow: none !important;
}

[class*="meter"] > span,
[class*="meter"] > i {
  background: var(--navy) !important;
  box-shadow: none !important;
}

.header-top {
  max-width: var(--max) !important;
  margin: 0 auto !important;
  padding-left: 24px !important;
  padding-right: 24px !important;
}

@media (max-width: 900px) {
  .header-top { padding-left: 16px !important; padding-right: 16px !important; }
}

/* 講座トップ */

.lesson-go { color: var(--muted) !important; }

button.ghost {
  background: #fff !important;
  border: 1px solid #c9d0db !important;
  border-radius: 6px !important;
  color: var(--ink) !important;
  box-shadow: none !important;
}

.course-lead .cover { border-radius: 6px !important; border: 1px solid var(--line); }

/* フォームとお知らせ */
.member-hello { color: var(--muted) !important; }

.notice-card {
  background: var(--wash) !important;
  border: 1px solid var(--line) !important;
  border-radius: 8px !important;
  box-shadow: none !important;
}

.notice-card a { color: var(--navy) !important; }

input[type="text"],
input[type="search"],
input:not([type]),
textarea,
select {
  border: 1px solid #c9d0db !important;
  border-radius: 6px !important;
  box-shadow: none !important;
  background: #fff !important;
}

input:focus,
textarea:focus,
select:focus {
  outline: 2px solid rgba(31, 58, 95, 0.25) !important;
  border-color: var(--navy) !important;
}

button.primary,
form button[type="submit"] {
  background: var(--navy) !important;
  color: #fff !important;
  border: 0 !important;
  border-radius: 6px !important;
  box-shadow: none !important;
  transform: none !important;
}

/* 絵をなくしたカードは1列に */
.class-card,
.class-card.course-lead,
.course-lead {
  display: block !important;
  grid-template-columns: none !important;
}

.class-card .class-body,
.course-lead > div {
  padding: 18px 20px !important;
}

.class-card .card-blurb { margin-bottom: 12px; }

/* 講座の進度バーは本文の幅いっぱいに */
.course-meter { max-width: none !important; width: 100% !important; }

/* ページ一覧：題名・状態・矢印の3列 */
.lesson-row {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) auto auto !important;
  align-items: center !important;
  gap: 12px !important;
  padding: 14px 16px !important;
}

.sidebar a { grid-template-columns: minmax(0, 1fr) auto !important; }

/* ---- 読みやすさ：小さかった文字を大きく ---- */
.code-wrap pre {
  font-size: 15px !important;
  line-height: 1.8 !important;
}

.code-wrap .copy {
  font-size: 15px !important;
  min-height: 40px;
  padding: 8px 16px !important;
}

.paste-hint,
.mark-read-note { font-size: 15px !important; }

.sidebar a,
.toc-course { font-size: 14px !important; }

.btn-orange,
.btn-dark,
.mark-read .primary { font-size: 15px !important; }

/* ---- マイページ：畳める欄 ---- */
details.fold > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

details.fold > summary::-webkit-details-marker { display: none; }

details.fold > summary::after {
  content: "開く";
  flex: none;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  border: 1px solid #c9d0db;
  border-radius: 6px;
  padding: 4px 12px;
  background: #fff;
}

details.fold[open] > summary::after { content: "閉じる"; }

details.fold > summary h2 {
  margin: 0 !important;
  font-size: 18px !important;
}

details.card.fold > .fold-body { margin-top: 14px; }

details.fold-inline { margin: 14px 0 4px; }

details.fold-inline > summary {
  font-weight: 700;
  padding: 10px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

details.fold-inline[open] > summary { margin-bottom: 12px; }

.report-title {
  font-size: 16px !important;
  margin: 20px 0 6px;
}

@media print {
  details.fold > summary::after { display: none; }
}

/* スマホで、名前とコードの入力欄が縦に伸びていたのを1行分に */
@media (max-width: 900px) {
  .member-row input {
    flex: 0 0 auto !important;
    min-height: 48px;
  }
}

/* マイページ「資料ダウンロード」の小見出し */
.files-h {
  margin: 18px 0 6px;
  font-size: 1rem;
  font-weight: 800;
  color: #2b2118;
}
.files-h:first-of-type {
  margin-top: 8px;
}

/* 講座の中の会話（CLASSROOM.talk） */
.talk {
  display: grid;
  gap: 14px;
  margin: 18px 0 24px;
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #faf9f5;
}
.talk-who {
  display: block;
  font-size: 12px;
  font-weight: 800;
  color: #8a7f6c;
  margin-bottom: 4px;
}
.talk-me {
  justify-self: end;
  max-width: 88%;
}
.talk-me .talk-who { text-align: right; }
.talk-file {
  display: block;
  width: fit-content;
  margin: 0 0 6px auto;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font-size: 14px;
}
.talk .talk-me .code-wrap {
  border: 0 !important;
  border-radius: 16px !important;
  background: #efece3 !important;
}
.talk .talk-me .code-wrap pre {
  color: var(--ink) !important;
  white-space: pre-wrap;
  font-family: inherit;
  padding-right: 76px;
}
.talk .talk-me .code-wrap .copy {
  background: #fff !important;
  border: 1px solid var(--line) !important;
}
.talk-ai {
  max-width: 92%;
}
.talk-ai .talk-who { color: #c4622d; }
.talk-ai:not(.is-other) .talk-who::before { content: "✳︎ "; }
.talk-ai.is-other .talk-who { color: #3d6b5a; }
.talk-ai p { margin: 0 0 8px; }
.talk-ai p:last-child { margin-bottom: 0; }
.talk-do {
  justify-self: center;
  margin: 0;
  padding: 4px 12px;
  border-radius: 999px;
  background: #fff;
  border: 1px dashed var(--line);
  font-size: 14px;
  color: #5f5a50;
}
.talk-note {
  margin: 0;
  font-size: 13px;
  color: #8a7f6c;
}
@media (max-width: 640px) {
  .talk { padding: 14px 10px; }
  .talk-me, .talk-ai { max-width: 100%; }
}

.talk .talk-fill {
  background: #ffe9a8;
  color: inherit;
  border-radius: 3px;
  padding: 0 2px;
}
.talk-steps {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 18px;
  background: #f5f8fb;
  margin: 12px 0 20px;
}
.talk-steps h3 { margin: 0 0 6px; font-size: 16px; }
.talk-steps ol, .talk-steps ul { margin: 0; padding-left: 1.4em; }
.checks { list-style: none; padding-left: 0 !important; }
.checks li::before { content: "□ "; font-weight: 700; }